Alkermes plc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 11/12/2025 | 27.97 M | $839.16 M | 0.42% | 16.96% |
| VANGUARD GROUP INC | 11/07/2025 | 18.18 M | $545.39 M | -1.75% | 11.02% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 11/14/2025 | 10.24 M | $307.15 M | 1.96% | 6.21% |
| STATE STREET CORP | 11/14/2025 | 8.54 M | $256.21 M | 4.05% | 5.18% |
| BAKER BROS. ADVISORS LP | 11/14/2025 | 8.09 M | $242.74 M | 26.22% | 4.91% |
| RENAISSANCE TECHNOLOGIES LLC | 11/13/2025 | 6.29 M | $188.78 M | 8.30% | 3.81% |
| AMERICAN CENTURY COMPANIES INC | 11/12/2025 | 4.40 M | $131.92 M | 20.24% | 2.67% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 4.06 M | $121.86 M | 0.94% | 2.46% |
| JPMORGAN CHASE & CO | 11/26/2025 | 3.93 M | $117.85 M | -18.78% | 2.38% |
| DIMENSIONAL FUND ADVISORS LP | 11/12/2025 | 3.70 M | $110.93 M | 19.42% | 2.24% |
| COMMODORE CAPITAL LP | 11/14/2025 | 3.10 M | $92.90 M | 26.40% | 1.88% |
| PRIMECAP MANAGEMENT CO/CA/ | 11/12/2025 | 2.76 M | $82.77 M | -4.94% | 1.67% |
| HOLOCENE ADVISORS, LP | 11/14/2025 | 2.47 M | $74.07 M | -13.48% | 1.50% |
| AVORO CAPITAL ADVISORS LLC | 11/14/2025 | 2.24 M | $67.20 M | -22.76% | 1.36% |
| NUVEEN, LLC | 11/12/2025 | 2.17 M | $65.20 M | 6.12% | 1.32% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11/10/2025 | 2.14 M | $64.21 M | 2.31% | 1.30% |
| ARTISAN PARTNERS LIMITED PARTNERSHIP | 11/12/2025 | 2.11 M | $63.29 M | 36.84% | 1.28% |
| LOOMIS SAYLES & CO L P | 11/13/2025 | 2.05 M | $61.47 M | -2.89% | 1.24% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 1.99 M | $59.85 M | 19.62% | 1.21% |
| NORTHERN TRUST CORP | 11/14/2025 | 1.77 M | $52.99 M | -2.62% | 1.07% |
| PARADIGM BIOCAPITAL ADVISORS LP | 11/14/2025 | 1.72 M | $51.58 M | 24.99% | 1.04% |
| RTW INVESTMENTS, LP | 11/14/2025 | 1.67 M | $50.17 M | -64.28% | 1.01% |
| MORGAN STANLEY | 11/14/2025 | 1.55 M | $46.54 M | -13.90% | 0.94% |
| BANK OF NEW YORK MELLON CORP | 11/03/2025 | 1.42 M | $42.73 M | -7.25% | 0.86% |
| FIRST TRUST ADVISORS LP | 11/12/2025 | 1.40 M | $41.94 M | 0.05% | 0.85% |
| FMR LLC | 11/13/2025 | 1.30 M | $38.86 M | 1.37% | 0.79% |
| AFFINITY ASSET ADVISORS, LLC | 11/13/2025 | 1.25 M | $37.50 M | 25.00% | 0.76% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 11/13/2025 | 1.21 M | $36.27 M | 1,070.57% | 0.73% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 1.10 M | $32.89 M | -49.12% | 0.66% |
| VIRGINIA RETIREMENT SYSTEMS ET AL | 10/20/2025 | 901.33 K | $27.04 M | 100.00% | 0.55% |
| PRINCIPAL FINANCIAL GROUP INC | 11/04/2025 | 900.33 K | $27.01 M | -1.58% | 0.55% |
| MAN GROUP PLC | 11/14/2025 | 897.27 K | $26.92 M | 225.31% | 0.54% |
| PICTET ASSET MANAGEMENT HOLDING SA | 11/18/2025 | 893.05 K | $26.57 M | 231.78% | 0.54% |
| PANAGORA ASSET MANAGEMENT INC | 11/13/2025 | 887.20 K | $26.62 M | 1.14% | 0.54% |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 11/14/2025 | 827.47 K | $24.82 M | 0.08% | 0.50% |
| PACER ADVISORS, INC. | 10/15/2025 | 808.13 K | $24.24 M | -10.90% | 0.49% |
| BNP PARIBAS ARBITRAGE, SNC | 11/13/2025 | 761.20 K | $22.84 M | -32.96% | 0.46% |
| UBS GROUP AG | 11/13/2025 | 754.17 K | $22.62 M | -43.82% | 0.46% |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | 11/06/2025 | 710.70 K | $21.32 M | 11.59% | 0.43% |
| METLIFE INVESTMENT MANAGEMENT, LLC | 11/13/2025 | 707.20 K | $21.22 M | 7.70% | 0.43% |
| CITADEL ADVISORS LLC | 11/14/2025 | 704.83 K | $21.15 M | 1,783.42% | 0.43% |
| FRAZIER LIFE SCIENCES MANAGEMENT, L.P. | 11/14/2025 | 700.65 K | $21.02 M | -29.98% | 0.42% |
| SIO CAPITAL MANAGEMENT, LLC | 11/13/2025 | 674.84 K | $20.25 M | 100.00% | 0.41% |
| TWO SIGMA INVESTMENTS, LP | 11/14/2025 | 656.50 K | $19.69 M | 101.44% | 0.40% |
| SEGALL BRYANT & HAMILL, LLC | 11/12/2025 | 596.48 K | $17.89 M | 0.43% | 0.36% |
| INVESCO LTD. | 11/13/2025 | 584.29 K | $17.53 M | -4.69% | 0.35% |
| ACADIAN ASSET MANAGEMENT LLC | 11/13/2025 | 568.68 K | $17.05 M | -17.25% | 0.34% |
| WOODLINE PARTNERS LP | 11/14/2025 | 558.57 K | $16.76 M | 0.02% | 0.34% |
| AMERIPRISE FINANCIAL INC | 11/14/2025 | 557.87 K | $16.74 M | -20.98% | 0.34% |
| BARCLAYS PLC | 11/12/2025 | 556.65 K | $16.70 M | -19.81% | 0.34% |
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Alkermes plc institutional Ownership - FAQ's
During the previous two years, 520 institutional investors and hedge funds held shares of Alkermes plc. The most heavily invested institutionals were:
BlackRock, Inc.: 27.97 M
VANGUARD GROUP INC: 18.18 M
PRICE T ROWE ASSOCIATES INC /MD/: 10.24 M
STATE STREET CORP: 8.54 M
BAKER BROS. ADVISORS LP: 8.09 M
RENAISSANCE TECHNOLOGIES LLC: 6.29 M
102.81% of Alkermes plc stock is owned by institutional investors.
Institutional investors have bought a total of 225.60 M shares in the last 24 months. This purchase volume represents approximately $6.66 B in transactions.